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Finding the Fourth Proportional to 116,633.02, 174,737.02 and 81,019.04

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Solution

The fourth proportional to 116,633.02, 174,737.02 and 81,019.04 is: 121,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,633.02 : 174,737.02 = 81,019.04 : x
  2. Step 2: Convert to fraction form
    116,633.02/174,737.02 = 81,019.04/x
  3. Step 3: Cross multiply
    116,633.02x = 174,737.02 × 81,019.04
  4. Step 4: Simplify right side
    116,633.02x = 14,157,025,612.86
  5. Step 5: Solve for x
    x = 14,157,025,612.86/116,633.02
  6. Step 6: Final answer
    x = 121,380.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.